Framing A Flat Roof Addition

Of course you don t need to live in a modern house to deal with a flat roof.

Framing a flat roof addition.

When framing a flat roof you will need to create a slight incline. Wrapped up framing to get roof ready for sheathing. And the line length measurement from the roof peak to the building wall is the hypotenuse. Flashing must be applied along the gap between the flat roof and the brick wall to ensure that everything is watertight and secure.

Some flat roofs have rafters from a ledger to supports at the end of the roof others have large outside beams with rafters. Another is to sever the existing roof around the edges and lift it off temporarily then put it back in place after the new level has been framed in. The run or half the building span is the base of the triangle. Flat roofs are always built at a slight incline at least 1 8 inch per foot.

When building a single story flat roof addition on a two story house the flat roof will normally simply butt up against the side of the wall. The third tactic for your house addition is to expand an upper level out across an existing one story section such as a flat roof garage or porch. Https amzn to 38xt1eh or donate to suppor. You can do this with a foam layer that exactly fits your roof.

Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. This makes it very simple however it does create a weakness in the design. Help my channel by making amazon purchases through this link. Rather than a single slope a gable roof consists of two slopes that meet at a peak running down the middle of the roof.

This will help you create a flat roof framing plan. Adapt the connection of the new roof to the style of the addition. The rise or height of the roof at its peak is the altitude of the triangle. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

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